From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 37753FF886D for ; Tue, 28 Apr 2026 20:44:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9F1D16B00B6; Tue, 28 Apr 2026 16:44:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9A2516B00B8; Tue, 28 Apr 2026 16:44:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 892806B00B9; Tue, 28 Apr 2026 16:44:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 750E16B00B6 for ; Tue, 28 Apr 2026 16:44:52 -0400 (EDT) Received: from smtpin15.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 360C540459 for ; Tue, 28 Apr 2026 20:44:52 +0000 (UTC) X-FDA: 84709143624.15.D1143CE Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf09.hostedemail.com (Postfix) with ESMTP id A1ED814000A for ; Tue, 28 Apr 2026 20:44:50 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=EXmOL9ou; spf=pass (imf09.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1777409090; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Aiz8kFxk57IkiOLNs06U09HzE5p8eI8cvZK0n+lLXTw=; b=Gac2W7i9QLKkYXnZD2IKrGMshruU81KotcG2IIP0OELjnu8PCAX8+OMfb96b6yHzoZ0WLT O2hQ99BGgxm2OBJV+hTgY4VjxuVI488wgZfJ6oKtenyXFUpvDcbiUwalrZJb+AMpV9epVb EpDTuqNk46cCDzrwdoMQ6maQE6Et0GY= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=EXmOL9ou; spf=pass (imf09.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777409090; a=rsa-sha256; cv=none; b=NdS0E0XhNm8A7Dm3uOql3k5JaDibFu+zjek+QRdLJpJ3oKEnsnW39wD2UzlnLAb3yK0y9z Ogg/NqiVuMIKiCcq+JHVH7Sgw6ndX2/xE7E3x9xVANm5VRmPlJzIiO27eVMSV7cFK1G8mh TK9sIkPjM5/BXfMfJwlKh/wVneLZz/4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 18E0D6132E; Tue, 28 Apr 2026 20:44:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2EFBC2BCB3; Tue, 28 Apr 2026 20:44:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777409089; bh=7qKHzCadzgEQAQzNVqCf6fre80BxdReFv76mDf7/IKw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EXmOL9ou5pb28Qr8PTiAefwZfwy88snUIzJS8rYsQHY0Zl+Z0b3Jh5GOP8TO2lVSV pEvW97yjRJoPizvGmLDImbmW4ewcXa8F33xnWt7pyp5cuXmKanuTgK9L/Wd+5jq5Ju TiA4/T9qHWfLhPNQCjNb0gNwENQ1ftUsC91Ky9NonciIwfyoHgSjQbcWvTjmqVRgZJ k6FYkUKxvk0QQUUzA1yQmggAkvy3ty2U1sVv9Q2p0CT2BuyQzwr91/41QjC3lbMnXA Lnxv5JQhLdeXJZk7DABLvQ1y0vpjuXSWAK/NAE7w+sa9D5FRdGm8XmCY5u9MCRE9iH U6NlWwOIJ4PEA== From: Mike Rapoport To: Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v3 18/54] selftests/mm: uffd-stress: use kselftest framework Date: Tue, 28 Apr 2026 23:42:04 +0300 Message-ID: <20260428204240.1924129-19-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260428204240.1924129-1-rppt@kernel.org> References: <20260428204240.1924129-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: p4wwzfqdsiiaw1nmoxme8gug9mjqrgam X-Rspamd-Queue-Id: A1ED814000A X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1777409090-597656 X-HE-Meta: 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 j9a3Fzwq 5Z02z6TR2adYgRvVIRhLOLmBAOccSGLcPOSUGcNfr5s3JZGHMLwy9obJT32LzqAirTuk81muQ+3HCpV5EBB7J0l6ccBeUF/9AA/ZEcyhGCAWu1pvRpmWPlZkQQzGlzEVK2tSKOW/NHW041aavJTIiUOH+c0qM1zxxqqHhR8BwsBLrOGsRhZd/1iNEw/WKDwj3Iejx/kHkFOXbgMZ2aNB3UV+eQfHeTKkAVXfKIt18Glll/QdKUCnTbDcxXrUpoiBIltmaHymCXzRprRI= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" Convert uffd-stress test to use kselftest framework for reporting and tracking successful and failing runs. Reviewed-by: Mark Brown Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/uffd-stress.c | 41 +++++++++++------------- 1 file changed, 19 insertions(+), 22 deletions(-) diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c index 700fbaa18d44..e92a85463eb1 100644 --- a/tools/testing/selftests/mm/uffd-stress.c +++ b/tools/testing/selftests/mm/uffd-stress.c @@ -286,19 +286,12 @@ static int userfaultfd_stress(uffd_global_test_opts_t *gopts) pthread_attr_setstacksize(&attr, 16*1024*1024); while (bounces--) { - printf("bounces: %d, mode:", bounces); - if (bounces & BOUNCE_RANDOM) - printf(" rnd"); - if (bounces & BOUNCE_RACINGFAULTS) - printf(" racing"); - if (bounces & BOUNCE_VERIFY) - printf(" ver"); - if (bounces & BOUNCE_POLL) - printf(" poll"); - else - printf(" read"); - printf(", "); - fflush(stdout); + ksft_print_msg("bounces: %d, mode:%s%s%s%s, ", + bounces, + bounces & BOUNCE_RANDOM ? " rnd" : "", + bounces & BOUNCE_RACINGFAULTS ? " racing" : "", + bounces & BOUNCE_VERIFY ? " ver" : "", + bounces & BOUNCE_POLL ? " poll" : " read"); if (bounces & BOUNCE_POLL) fcntl(gopts->uffd, F_SETFL, gopts->uffd_flags | O_NONBLOCK); @@ -456,6 +449,9 @@ int main(int argc, char **argv) unsigned long nr_cpus; size_t bytes; + ksft_print_header(); + ksft_set_plan(1); + gopts = (uffd_global_test_opts_t *) malloc(sizeof(uffd_global_test_opts_t)); if (argc < 4) @@ -484,10 +480,8 @@ int main(int argc, char **argv) * for racy extra reservation of hugepages. */ if (gopts->test_type == TEST_HUGETLB && - get_free_hugepages() < 2 * (bytes / gopts->page_size) + gopts->nr_parallel - 1) { - printf("skip: Skipping userfaultfd... not enough hugepages\n"); - return KSFT_SKIP; - } + get_free_hugepages() < 2 * (bytes / gopts->page_size) + gopts->nr_parallel - 1) + ksft_exit_skip("Skipping userfaultfd... not enough hugepages\n"); gopts->nr_pages_per_cpu = bytes / gopts->page_size / gopts->nr_parallel; if (!gopts->nr_pages_per_cpu) { @@ -503,9 +497,12 @@ int main(int argc, char **argv) } gopts->nr_pages = gopts->nr_pages_per_cpu * gopts->nr_parallel; - printf("nr_pages: %lu, nr_pages_per_cpu: %lu\n", - gopts->nr_pages, gopts->nr_pages_per_cpu); - return userfaultfd_stress(gopts); + ksft_print_msg("nr_pages: %lu, nr_pages_per_cpu: %lu\n", + gopts->nr_pages, gopts->nr_pages_per_cpu); + + ksft_test_result(!userfaultfd_stress(gopts), + "uffd-stress %s\n", argv[1]); + ksft_finished(); } #else /* __NR_userfaultfd */ @@ -514,8 +511,8 @@ int main(int argc, char **argv) int main(void) { - printf("skip: Skipping userfaultfd test (missing __NR_userfaultfd)\n"); - return KSFT_SKIP; + ksft_print_header(); + ksft_exit_skip("missing __NR_userfaultfd definition\n"); } #endif /* __NR_userfaultfd */ -- 2.53.0